55355045 has 4 divisors (see below), whose sum is σ = 66426060. Its totient is φ = 44284032.

The previous prime is 55355023. The next prime is 55355051. The reversal of 55355045 is 54055355.

55355045 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 12609601 + 42745444 = 3551^2 + 6538^2 .

It is a cyclic number.

It is not a de Polignac number, because 55355045 - 2¹⁰ = 55354021 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5535500 + ... + 5535509.

It is an arithmetic number, because the mean of its divisors is an integer number (16606515).

Almost surely, 2^55355045 is an apocalyptic number.

It is an amenable number.

55355045 is a deficient number, since it is larger than the sum of its proper divisors (11071015).

55355045 is a wasteful number, since it uses less digits than its factorization.

55355045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11071014.

The product of its (nonzero) digits is 37500, while the sum is 32.

The square root of 55355045 is about 7440.0971095813. The cubic root of 55355045 is about 381.1118062252. Note that the first 3 decimals are identical.

The spelling of 55355045 in words is "fifty-five million, three hundred fifty-five thousand, forty-five".